Granted Patent
Utility
US 6,179,331 · App. 09/245,585
Children's ride-on vehicle having a vibrating engine model
Inventors:
John L. Jones, Jr., William R. Howell
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Feb 5, 1999
Inventors
John L. Jones, Jr.
William R. Howell
Assignee (at issue)
MATTEL, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.